221404766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 371628000

約数和(自身を除く): 150223234

約数列:

[1, 2, 11, 22, 73, 89, 146, 178, 803, 979, 1549, 1606, 1958, 3098, 6497, 12994, 17039, 34078, 71467, 113077, 137861, 142934, 226154, 275722, 1243847, 1516471, 2487694, 3032942, 10063853, 20127706, 110702383, 221404766]

約数ペア:

[(1, 221404766), (2, 110702383), (11, 20127706), (22, 10063853), (73, 3032942), (89, 2487694), (146, 1516471), (178, 1243847), (803, 275722), (979, 226154), (1549, 142934), (1606, 137861), (1958, 113077), (3098, 71467), (6497, 34078), (12994, 17039)]